Rank	Countries/Territories	Count	Percent
1	United States	410	34.2%
2	China	286	23.8%
3	Germany	162	13.5%
4	Canada	51	4.2%
5	India	40	3.3%
6	Netherlands	26	2.2%
7	United Kingdom	24	2%
8	France	23	1.9%
9		22	1.8%
10	Iran, Islamic Republic of	15	1.2%
11	Japan	14	1.2%
12	Australia	12	1%
13	Korea, Republic of	9	0.8%
14	Cyprus	8	0.7%
15	Egypt	8	0.7%
16	Italy	7	0.6%
17	Russia	7	0.6%
18	South Africa	7	0.6%
19	Singapore	6	0.5%
20	Morocco	6	0.5%
21	Ireland	6	0.5%
22	Argentina	5	0.4%
23	Denmark	3	0.2%
24	Iraq	3	0.2%
25	Slovenia	3	0.2%
26	Latvia	3	0.2%
27	Mauritius	3	0.2%
28	Taiwan	3	0.2%
29	Tanzania, United Republic of	2	0.2%
30	Turkey	2	0.2%
31	Switzerland	2	0.2%
32	Mongolia	2	0.2%
33	Malta	2	0.2%
34	Kazakhstan	2	0.2%
35	Philippines	2	0.2%
36	Norway	2	0.2%
37	Brazil	2	0.2%
38	Bangladesh	1	0.1%
39	Belgium	1	0.1%
40	Israel	1	0.1%
41	Finland	1	0.1%
42	Hong Kong	1	0.1%
43	Oman	1	0.1%
44	Nepal	1	0.1%
45	Portugal	1	0.1%
46	Qatar	1	0.1%
47	Moldova, Republic of	1	0.1%